mfp (version 1.4.6)

GBSG: German Breast Cancer Study Group

Description

A data frame containing the observations from the GBSG study.

Usage

data(GBSG)

References

M. Schumacher, G. Basert, H. Bojar, K. Huebner, M. Olschewski, W. Sauerbrei, C. Schmoor, C. Beyerle, R.L.A. Neumann and H.F. Rauschecker for the German Breast Cancer Study Group (1994). Randomized $2 \times 2$ trial evaluating hormonal treatment and the duration of chemotherapy in node-positive breast cancer patients. Journal of Clinical Oncology, 12, 2086--2093.

W. Sauerbrei and P. Royston (1999). Building multivariable prognostic and diagnostic models: transformation of the predictors by using fractional polynomials. Journal of the Royal Statistics Society Series A, Volume 162(1), 71--94.

Examples

data(GBSG)
    mfp(Surv(rfst, cens) ~ fp(age, df = 2, select = 0.05)
                 + fp(prm, df = 4, select = 0.05), family = cox, data = GBSG)